GeoJS vs Postali

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree, no API key requiredFree — no key, no signup, no monthly limit (per site)
Rate limitUnpublished (no enforced limit stated)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

GeoJS vs Postali: common questions

Which is more reliable, GeoJS or Postali?

On our scheduled checks, Postali leads on measured uptime — GeoJS at —% versus Postali at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do GeoJS and Postali need an API key?

Neither needs a paid key — GeoJS is callable with no signup, and Postali is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call GeoJS and Postali from the browser?

Yes — both GeoJS and Postali send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are GeoJS and Postali free for commercial use?

GeoJS has unclear commercial terms, and Postali has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.